Searching online appears to be a dead end. Bay Area has a listing for them but of course out of stock. Maybe try Pinball Resource? The part number for the ring (per a Pinside post) seems to be B-695-3.

Searching online appears to be a dead end. Bay Area has a listing for them but of course out of stock. Maybe try Pinball Resource? The part number for the ring (per a Pinside post) seems to be B-695-3.

I try to look around as well to no avail…? @Gizmonic I hope you have more luck to replace the broken one on your QS